.container {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.controls {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

.controlGroup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.checkbox {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.input {
  flex: 1;
  min-width: 300px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

.input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.button {
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.button:hover {
  background-color: var(--color-primary-dark);
}

.hints {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.hint {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.iframeContainer {
  flex: 1;
  background-color: var(--color-bg-secondary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  max-width: 500px;
}

.placeholderIcon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.placeholder h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  color: var(--color-text);
}

.placeholder p {
  margin: 0.5rem 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.note {
  font-size: 0.875rem;
  font-style: italic;
  margin-top: 1rem !important;
  padding: 0.75rem 1rem;
  background-color: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.iframe {
  width: 100%;
  height: 100%;
  border: none;
}